Answers

Add 81/10 and 70/56

1^st number: 8 1/10, 2^nd number: 1 14/56

81/10 + 70/56 is 187/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 10 × 28 = 280,
   81/10 = 81 × 28/10 × 28 = 2268/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   70/56 = 70 × 5/56 × 5 = 350/280
4. Add the two like fractions:
   2268/280 + 350/280 = 2268 + 350/280 = 2618/280
5. 2618/280 simplified gives 187/20
6. So, 81/10 + 70/56 = 187/20
   In mixed form: 97/20

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